The paper presents several equivalent first-order symmetric forms of linear elastodynamics in 1D and 2D by adding compatibility, momentum, and time-differentiated constitutive equations, with a correctness issue in the last 2D set.
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Alternative writings of classical elastodynamics equations as a first order symmetric system
The paper presents several equivalent first-order symmetric forms of linear elastodynamics in 1D and 2D by adding compatibility, momentum, and time-differentiated constitutive equations, with a correctness issue in the last 2D set.